Coldwell Banker Residential Brokerage can help you find Lyons Township High School District 204, Countryside, IL homes for sale, condos, rentals and open houses. Refine your Lyons Township High School District 204 real estate search results by price, property type, bedrooms, baths and other features. Need more information? View Coldwell Banker Residential Brokerage Countryside real estate agents or offices and let us help you find the perfect property. We also have area guides that show more information about properties in Countryside, IL.